1. Thoughts on comparative spermatology;Afzelius,1970
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3. The spermatozoon of arthropoda. IX. The sperm cell as an index of arthropod phylogenesis;Baccetti,1970
4. Insect sperm cells;Baccetti;Adv. Insect Physiol.,1972
5. The Biology of the Sperm Cell;Baccetti,1976